Members' Equity (Details) - USD ($)	3 Months Ended						12 Months Ended
	Oct. 31, 2021	Jul. 31, 2021	Apr. 30, 2021	Jan. 31, 2021	Jul. 31, 2020	Jan. 31, 2020	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Members' Equity [Abstract]
Common stock, shares authorized (in shares)	10,000						10,000
Member units repurchased during period (in shares)	3	2	5	6	7	2	16	9	5
Share price (in dollars per share)	$ 5,750	$ 5,500	$ 5,500	$ 5,500	$ 6,000	$ 6,500	$ 5,750
Payments for repurchase of common stock	$ 17,250	$ 11,000	$ 27,500	$ 33,000	$ 42,000	$ 13,000	$ 88,750	$ 55,000	$ 39,200